I heard about a high school in Chicago where students had to pass a certain number of courses to graduate, and if they didn’t pass a course, they got the grade “Not Yet.” And I thought that was fantastic, because if you get a failing grade, you think, I’m nothing, I’m nowhere. But if you get the grade “Not Yet”, you understand that you’re on a learning curve. It gives you a path into the future.

https://www.ted.com/talks/carol_dweck_the_power_of_believing_that_you_can_improve